[FFmpeg-trac] #9669(avfilter:new): Subtitles video filter does not correctly rotate/position some Japanese punctuation characters in vertical ASS subtitles

[FFmpeg]

#9669: Subtitles video filter does not correctly rotate/position some Japanese
punctuation characters in vertical ASS subtitles
------------------------------------+------------------------------------
             Reporter:  y3kcjd5     |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Comment (by Elon Musk):

 Replying to [comment:6 y3kcjd5]:
 > Replying to [comment:5 Elon Musk]:
 > > subtitle filter code use same logic for drawing subtitles like ass
 filter.
 > Apparently not, because the results look different. The one thing the
 ass filter (and mpv player) mostly got right is the rotation.

 Look at source code, your statement is contradiction with reality.

 Anyway it is highly unlikely, definitely impossible this will ever get
 fixed here and not in libass.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9669#comment:7>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker